2112231999 has 8 divisors (see below), whose sum is σ = 2834248240. Its totient is φ = 1399185216.

The previous prime is 2112231991. The next prime is 2112232007. The reversal of 2112231999 is 9991322112.

It is an interprime number because it is at equal distance from previous prime (2112231991) and next prime (2112232007).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112231999 - 2³ = 2112231991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112231991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2241814 + ... + 2242755.

It is an arithmetic number, because the mean of its divisors is an integer number (354281030).

Almost surely, 2^2112231999 is an apocalyptic number.

2112231999 is a deficient number, since it is larger than the sum of its proper divisors (722016241).

2112231999 is a wasteful number, since it uses less digits than its factorization.

2112231999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484729.

The product of its digits is 17496, while the sum is 39.

The square root of 2112231999 is about 45959.0252181223. The cubic root of 2112231999 is about 1283.0607091139.

The spelling of 2112231999 in words is "two billion, one hundred twelve million, two hundred thirty-one thousand, nine hundred ninety-nine".